Tetras "tilt over?"

This is a discussion on Tetras "tilt over?" within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; -->
Hello. Just a quick question. I have 2 Lemon Tetras (I am upgrading so I can get more ASAP). Ever since I got them ...

Hello. Just a quick question. I have 2 Lemon Tetras (I am upgrading so I can get more ASAP). Ever since I got them they swim upright and sometime at an angle. They don't really have much for horizontal support (if you know what I mean). They sometime swim sideways. Is this normal? It isn't swim-bladder. They can swim fine, they just tilt to the side sometimes.

Its not normal and is most likely stressful for the fish. Probably a swim bladder problem. Too much flake food can have this effect - try varying the diet. I've had this problem and have found that not feeding for a couple of days also helps

Is the aquarium or room light brightest? Most tetra and some other fish like angels orientate themselves using the light. When my tank lights go off all my emperor tetras and angelfish orientate themselves to the room light and it makes them all swim at an angle.